Pump.



PATENTED APR. 11, 1905.

J. SCHOLL PUMP.

APPLIGATION FILED Nov. 2. 1904.

Snuanloz attenua? @vih/mmm Patented. April 11, 1905.

PATENT Ormes.

JOHN SOIIOLL, OF JOPL'IN, MISSOURI.

PUMP.

SPECIFICATION forming part of Letters Patent No. 787,117', dated April 11, 1905.

Application filed Noveniber2,1904. Serial No. 231,129.

l'le it known that l, ,louN Sonora., a citizen i oll the United States, residingatJoplin, county otl Jasper. and State otI Missouri, have invented certain new and uset'nl improvements in lumps. otI which the following is a speciiication.

My invention relates to pmnps` and more especially to combined doubl and single acting pumps ot' the multiple-c vlimlcr type.

'lhe object otl the invention is to provide operating mechanism for the pump which can be readily changed troni single acting' to double acting. or vice versa, also means whereby one section and cylinder may be discmmected tor repairs while the other section and cylinder are in use.

A t'nrther object oi'l the invention is the novel way in which a plurality ot' adjustments can be made to lengthen or shorten the stroke otl the piston.

A t'urther object ot' the invention is the provision ot' novel means whereby the pump can be changed trom a hand-operated toa poweroperated pump, and vice versa.

A still tin-ther object oi' the invention is the provision ot means when the pmnp is operated by steam for supplying the boiler ot the engine with water at the same time that the pump is delivering water to other destination and means whereby the pressure from the boiler is prevented t'rom interfering.

The invention consists ot' the combination ot parts and the novel features, which will be more t'ully hereinatter described, and recited in the appended claims.

ln the drawings which torni a part ot the application, Figure 1 is a perspective ot' the pmnp, showing how the pump can be operated by hand or by power. Fig. 2 is a perspective view showing how the pump is operated by power.

Describing the drawings in detail, 1 and 2 represent the, two sections ot' a double-acting pump and are made disconnectible by means ol the couplings or unions 3 and l, so that by closing the exit end ot' the pipe. in section 2, attached to coupling 4, and removing section l section 2 could be used while the other was being repaired, should this become necessary. i

The numeral 3' represents the inlet-pipe. which is provided at its outer end with a screen 6 and which is secured at its inner end to the T-joint T. Branching in either direction from the T 'T are pipe-sections 8, one ot which is secured to an elbow t), and the, opposite one is secured to a couplingll), which is in turnconnected to a similar section 1l and this to a similar elbow 12, to which elbows 1'2 and 9 are secured the inlet check-valves 13and 11. Oonnected to the check-valves 13 and 11 by means ot' pipe-sections 15 and 1li are T-joints 1T and 1S, both ot which are provided with pumpbarrels 19 and 20, extending up out of the water.

Connected to the opposite side ot' the T- joints 1T and 1S by means oi pipe-sections '21 and 2Q are the outlet check-valves 2?) and 21, to both ot which are secured the elbows and 2li, leading to the outlet-pipe ZT through the union 1 in one section and the pipe-section .29 in the opposite.

Suitably connected to the outlet-pipe 2T is a cock 2T, which connects to the boiler through pipe '27" and check-valve 2T". This allows water to be pumped to the boiler when needed, and the check-valve 27 prevents any back pressure from the boiler.

At the top ot the pump-barrels, which may be ot' any desired length, I provide the brace 30,' which is made ot two pieces and is secured to the barrels by the bolts 31. These two pieces are so bent in the center as to form a rectangular opening 3L, in which is adjust ably seated the forked upright 3B, havine' a plurality ot' adjusting-holes 3/ Pivot/all) cured between the t'orked ends otl the upright 33 is ther lever to each end oli which are pivotally secured the piston-ro ls 36. This lever is provided with a handle 3T and an aperture 38, through which the connecting-bolt 3E) ot' the wind-wheel or other power-piston10 is passed to secure the two parts together.

ln Fig. 2 l have shown two supportingposts 11, suitably bolted to the bases l2 and provided in their upper portions with suitable bearings 43, in which is journaled a shat't il, having the double crank-arms 15 and the pulley sie.

The ends ot' the piston-rods 36 are `pivoted TOO to links 47, which are bifurcated at their ends to hold bearings adapted to surround the yokes of the crank-arms 45. A sprocket may be substituted for the pulley 46 and be connected to the power by a sprocket-chain instead of a belt.

As shown in Fig. lthe pistons would only have a maximum length of stroke of four inches. When it is required to lengthen the stroke, the brace 30 is either raised on the barrels, or the lever 35 is raised in the forked end of the upright 33, or the upright 33 is raised in the brace 30. The lever 35 has now more freedom of movement, and the stroke of the operators arm or of the power-piston can be lengthened to suit circumstances. As the piston in section 1 is raised water is drawn through check-valve 14 and expelled through check-valve 24 by the simultaneous downward movement of the piston in section 2. IVhen this movement is reversed, the water previously drawn through check-valve 14 is expelled through check-valve 23 and water is drawn through check-valve 13 to be subsequently forced through check-valve 24 when the piston in section 2 descends.

It is thought unnecessary to describe the operation of Fig. 2, as it operates on substantially the same lines as an engine, only the power is from the opposite end.

By securing the piston of a wind-wheel or power-cylinder to the lever 35 and reciprocating the lever in the ordinary manner I secure a very easily operated and effective pump.

It will of course be understood that I may disconnect either one of the piston-rods 36 from the lever and make a single-acting pump, or I may disconnect either section from the other for the purpose of repair without disturbing the operation of the other section, both sections being independently secured in place.

It will of course be evident that in the device shown no attempt has been made to adjust the stroke of the power which operates the pistons, as this would have to be regulated according to the adjustment secured by the devices before described.

Having thus described my invention, what I claim, and desire to secure by Letters Patent, is-

`1. In a pump comprising' two independent and separable sections, the combination with a pump-barrel for each section, of an adjustable brace separating said barrels and provided with an aperture, an upright member adjustably seated in said aperture, a lever adjustably secured to said upright member, pistons working in said barrels and connected to said lever, and means for reciprocating said lever.

2. In a pump-barrel comprising two independent and separable sections, the combination with an upright barrel for each section, of a brace comprising two members, adjustably clamped to said barrels and forming a central aperture, a forked upright member adjustably seated in said aperture and provided with adjusting-holes in its forked end, pistons working in said barrels, and a lever connected to said pistons and adjustably seated in the forked end of the upright member.

In testimony whereof I hereunto afl-ix my signature in presence of two witnesses.

JOHN SCHOLL.

IVitnesses:

W u. L. AARON, HARRY H. BOYLAND. 

